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Finding the Fourth Proportional to 87,606.81, 120,897.81 and 49,366.80

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Solution

The fourth proportional to 87,606.81, 120,897.81 and 49,366.80 is: 68,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,606.81 : 120,897.81 = 49,366.80 : x
  2. Step 2: Convert to fraction form
    87,606.81/120,897.81 = 49,366.80/x
  3. Step 3: Cross multiply
    87,606.81x = 120,897.81 × 49,366.80
  4. Step 4: Simplify right side
    87,606.81x = 5,968,338,006.71
  5. Step 5: Solve for x
    x = 5,968,338,006.71/87,606.81
  6. Step 6: Final answer
    x = 68,126.42

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